What’s in a Smile? Initial Analyses of Dynamic Changes in Facial Shape and Appearance
Single-level principal component analysis (PCA) and multi-level PCA (mPCA) methods are applied here to a set of (2D frontal) facial images from a group of 80 Finnish subjects (34 male; 46 female) with two different facial expressions (smiling and neutral) per subject. Inspection of eigenvalues gives...
Main Authors: | , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-12-01
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Series: | Journal of Imaging |
Subjects: | |
Online Access: | http://www.mdpi.com/2313-433X/5/1/2 |